Philip Dodd on the rebranding of US rust-belt city Cleveland and artist Cai Guo-Qiang on using gunpowder and water to mark the 50th anniversary of the Cuyahoga river fires. Show more
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Philip Dodd on the rebranding of US rust-belt city Cleveland and artist Cai Guo-Qiang on using gunpowder and water to mark the 50th anniversary of the Cuyahoga river fires. Show more